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metal-fused salt system

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003609
EISBN: 978-1-62708-182-5
.... Specific examples of the types of corrosion expected for the different metal-fused salt systems are also provided. The metal-fused salt systems include molten fluorides, chloride salts, molten nitrates, molten sulfates, hydroxide melts, and carbonate melts. The article concludes with information on...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005929
EISBN: 978-1-62708-166-5
... Abstract This article provides information on the salt baths used for a variety of heat treatments, including heating, quenching, interrupted quenching (austempering and martempering), case hardening, and tempering. It describes two general types of salt bath systems for steel hardening: the...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001225
EISBN: 978-1-62708-170-2
...), substrates to be cleaned are restricted to those materials that are compatible with the operating temperatures of the various processes. Because these baths are also chemically active, the substrate must also be chemically compatible with the various molten salt systems. While most metals that are...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003593
EISBN: 978-1-62708-182-5
... sustained hot corrosion of a pure metal. Site I is the oxide-salt interface, and site II is the salt-gas interface. Source: Ref 15 Fig. 7 Reprecipitation of porous MO oxide supported by a negative solubility gradient in the fused salt film. Source: Ref 15 Fig. 9 The Na-V-S-O system...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003587
EISBN: 978-1-62708-182-5
... is a variable. Analytical facilities must be used for the chemistry of the salt, including impurity content and surface analysis of the metals in question. Useful information can be obtained from capsule and flow experiments. It is hoped that the preceding information on specific systems provides...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005776
EISBN: 978-1-62708-165-8
.... (c) Treatment 1, cyanide nitrocarburizing salt bath Another aerated process for liquid nitriding is a high-cyanide, high-cyanate system that is proprietary (U.S. Patent 3,208,885). The cyanide content of the fused salt is maintained in the range of 45 to 50% calculated as potassium...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004209
EISBN: 978-1-62708-184-9
... other debris that deposit on dental material surfaces are discussed. The article evaluates the types of alloys available for dental applications, including direct filling alloys, crown and bridge alloys, partial denture alloys, porcelain fused to metal alloys, wrought wire alloys, soldering alloys, and...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004181
EISBN: 978-1-62708-184-9
... cupric salts organic solvents noble metals neoprene reinforced thermoset plastics HYDROCHLORIC ACID (HCl) is an important mineral acid with many uses, including acid pickling of steel, acid treatment of oil wells, chemical cleaning, and chemical processing. It is made by absorbing hydrogen...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003825
EISBN: 978-1-62708-183-2
... precipitation. Several methods have been used or proposed to reduce hydrogen embrittlement of tantalum ( Ref 7 , Ref 38 , Ref 39 , Ref 40 ). Complete electrical isolation of tantalum from all metals in the system. For additional protection, the insulated tantalum may be connected to a positive direct...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005773
EISBN: 978-1-62708-165-8
... details the growth process and nucleation process of carbide and nitride coatings formed on the metal surface. The article discusses the advantages, disadvantages, and characteristics of the various coating processes, including high-temperature salt bath carbide coating, high-temperature fluidized-bed...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004104
EISBN: 978-1-62708-184-9
... used for wastewater facilities. aluminum brass concrete copper corrosion ductile iron soil stainless steel steel waste water treatment plants wastewater systems soil testing atmospheric testing hydrogen sulfide testing METALLIC AND CONCRETE STRUCTURES and equipment at wastewater...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003213
EISBN: 978-1-62708-199-3
... for removing heavy soils from the surfaces of metals and nonmetals by using organic solvents dispersed in an aqueous medium aided by an emulsifying agent. Depending on the solvent used, cleaning is done at temperatures from approximately 5 °C (40 °F) up to 80 °C (180 °F). An emulsion system...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006302
EISBN: 978-1-62708-179-5
... chemical reactions). For both soldering and brazing, the fillers tend to be alloys with eutectic or near-eutectic compositions from alloy systems having eutectics. Fluxes in brazing and soldering also are used to remove oxides from the base metal surface, to protect the clean surface from reoxidation...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003829
EISBN: 978-1-62708-183-2
... corrosion resistance; and corrosion applications of these precious metals. The article also tabulates the corrosion rates of these precious metals in corrosive environment, namely, acids, salts, and halogens. corrosion resistance fabricability gold iridium mechanical properties osmium oxidation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... into the feedwater system. A mechanism for concentrating acid-producing salts (departure from nucleate boiling, deposits, waterline evaporation) must be present to provide the low-pH condition. Low pH dissolves the magnetite scale and may attack the underlying base metal through gouging: M...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001314
EISBN: 978-1-62708-170-2
...-chromium alloys. Pretreating in a fused-salt bath is strongly recommended to facilitate pickling of oxidized or scaled surfaces. However, if the metal has been properly heated and cooled, it will usually have a surface suitable for direct pickling in Formula 3. If a fused-salt bath is used for...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001118
EISBN: 978-1-62708-162-7
... Abstract Many nonferrous metals, including aluminum, nickel, copper, and others, are among the few materials that do not degrade or lose their chemical or physical properties in the recycling process. As a result, these metals can be recycled an infinite number of times. This Article focuses on...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005928
EISBN: 978-1-62708-166-5
... Abstract The atmosphere within a furnace chamber is a basic factor in achieving the desired chemical reactions with metals during heat treating. This article presents the fundamentals of heat treating atmospheres, and describes two groups of atmosphere control, namely, furnace atmosphere...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004125
EISBN: 978-1-62708-184-9
... chemical pretreatments. MIL-S-5002, “Surface Treatments and Inorganic Coatings for Metal Surfaces of Weapon Systems,” is the military specification for the surface preparation and pretreatment of virtually every Navy aircraft and weapon system. The two primary surface pretreatments for naval aircraft are...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004139
EISBN: 978-1-62708-184-9
..., lubrication, cooling, exhaust systems, propellers and propeller shafts, and the rudder. Single-metal uniform corrosion thrives when metals high in the galvanic series, such as mild steel and iron, are exposed to moisture, especially salt-laden moist air. When dissimilar metals, such as aluminum pistons, rods...